The JavaScript ToLowerCase method is used to convert the given string into Lowercase letters. The syntax of the ToLowerCase function in JavaScript programming language is
String_Object.ToLowerCase()
JavaScript ToLowerCase Example
The following set of to lowercase examples help you understand the ToLowerCase Function in JS.
<!DOCTYPE html> <html> <head> <title> JavaScript ToLowerCase </title> </head> <body> <h1> JavaScript ToLowerCase </h1> <script> var Str1 = "Learn JavaScript at Tutorial Gateway"; var Str3 = Str1.toLowerCase(); var Str4 = "Hi, This is FROM JS".toLowerCase(); var Str5 = "JAVASCRIPT LOWERCASE".toLowerCase(); document.write("<b> Lowercase Letters are:</b> " + Str3); document.write("<br \> <b> Lowercase Letters are: </b> " + Str4); document.write("<br \> <b> Lowercase Letters are: </b> " + Str5); </script> </body> </html>
The following JavaScript statement converts the above Str1 string into lowercase.
var Str3 = Str1.toLowerCase();
Instead of declaring and assigning the string, JS allows us to use the ToLowerCase function on a string literal directly
var Str4 = "Hi, This is FROM JS".toLowerCase(); var Str5 = "JAVASCRIPT LOWERCASE".toLowerCase();